Drug Reference

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Isosorbide Dinitrate (ISDN)

Cardiovascular
Class
Nitrate vasodilator
Route
Sublingual, Oral
Adult Dose
5mg SL PRN or 20mg PO TID
BPJS/Fornas
✓ Included
Indications
Angina pectoris (prophylaxis & treatment), acute heart failure, chronic heart failure as adjunct therapy.
⚠ Key Interactions
Sildenafil/PDE5 inhibitors — Severe hypotension risk, contraindicated.
Antihypertensives — Additive hypotensive effect.
Alcohol — Enhanced vasodilation.

⚡ Interaction Checker

Current patient: Budi Santoso
ISDN 5mg Aspirin 80mg Omeprazole 20mg
⚠ Moderate
Aspirin + Omeprazole
PPIs may reduce antiplatelet effect of aspirin. Consider timing separation (aspirin in AM, omeprazole in PM) or alternative gastroprotection.
✓ Safe
ISDN + Aspirin
No clinically significant interaction. Commonly co-prescribed for cardiac patients. Monitor blood pressure.